type 7 finding sum difference product based ratio & proportion problems Practice Questions Answers Test with Solutions & More Shortcuts

Question : 21 [SSC CGL Prelim 2002]

The ratio of the number of boys and girls of a school with 504 students is 13 : 11. What will be the new ratio if 12 more girls are admitted?

a) 9 : 10

b) 10 : 9

c) 81 : 91

d) 91 : 81

Question : 22 [SSC CHSL 2012]

If there is a reduction in the number of workers in a factory in the ratio 15 : 11 and an increment in their wage in the ratio 22 : 25, then the ratio by which the total wage of the workers should be decreased is

a) 3 : 7

b) 3 :5

c) 5 : 6

d) 6 : 5

Question : 23 [SSC CGL Prelim 1999]

A and B have money in the ratio Rs.2 : 1. If A gives 2 to B, the money will be in the ratio 1 : 1. What were the initial amounts they had?

a) Rs.8 and Rs.4

b) Rs.6 and Rs.3

c) Rs.16 and Rs.8

d) Rs.12 and Rs.6

Question : 24 [SSC CGL Tier-I 2014]

Two numbers are in the ratio of 3 : 5. If 9 is subtracted from each then they are in the ratio 12 : 23. The smaller number is

a) 28

b) 36

c) 33

d) 55

Question : 25 [SSC Delhi Police 2012]

Two numbers are in the ratio of 3 : 5. If 9 be subtracted from each, then they are in the ratio of 12 : 23. Find the numbers.

a) 33, 55

b) 60, 69

c) 36, 115

d) 15, 28